What happens to magma at plate boundaries?

Which of the following statements is most accurate? a. The physical environment has no effect on human activities, but human activities may affect the physical environment. b.

At the top of a high mountain, the weight of an object is: greater than at sea level less than at sea level the same as that at sea level

When the side of the earth that faces the moon experiences a high tide, the side of the earth that is opposite from the moon will have a: •• High tide •• Low tide •• Neap tide •• Diurnal tide

What country makes up nearly half of South America name a large river system

Distinguish between the different ways volcanoes cause damage

Less developed nations are to extended families as more developed nations are to nuclear families. matrilineal families. families of procreation.

If star a has an apparent magnitude of - 6 and star b has an apparent magnitude of 5, which star is brighter in our sky?

What is one advantage of free trade?

Explain how the shading of the direct light of the sun causes a lunar eclipse.

Describe how modern science operates and distinguish it from philosophy, pseudoscience, and religion. In recognition of these distinctions, what individual (s) and methods mark the beginning of Astronomy as a science?